﻿using Microsoft.Media.CaptureClient.Sample.Common;
using Microsoft.PlayerFramework;
using Microsoft.PlayerFramework.Adaptive;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices.WindowsRuntime;
using Windows.ApplicationModel.Core;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.Storage;
using Windows.UI.ViewManagement;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;

// The Basic Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=234237

namespace Microsoft.Media.CaptureClient.Sample
{
    /// <summary>
    /// A basic page that provides characteristics common to most applications.
    /// </summary>
    public sealed partial class PlayerPage : Page
    {
        private NavigationHelper navigationHelper;

        /// <summary>
        /// NavigationHelper is used on each page to aid in navigation and 
        /// process lifetime management
        /// </summary>
        public NavigationHelper NavigationHelper
        {
            get { return this.navigationHelper; }
        }

        public PlayerPage()
        {
            this.InitializeComponent();
            this.navigationHelper = new NavigationHelper(this);
            this.navigationHelper.LoadState += navigationHelper_LoadState;
            this.navigationHelper.SaveState += navigationHelper_SaveState;

            this.DataContext = Preferences.Current;

            var adaptivePlugin = new AdaptivePlugin();
            adaptivePlugin.Manager.EndOfLive += Manager_EndOfLive;
            mediaPlayer.Plugins.Add(adaptivePlugin);
            ApplicationView.GetForCurrentView().Consolidated += Player_Consolidated;
        }

        void Manager_EndOfLive(object sender, object e)
        {
            mediaPlayer.Close();
        }

        void Player_Consolidated(ApplicationView sender, ApplicationViewConsolidatedEventArgs e)
        {
            mediaPlayer.Dispose();
            Window.Current.Close();
        }

        //private void ResetSource()
        //{
        //    var src = mediaPlayer.Source;
        //    mediaPlayer.IsInteractive = false;
        //    mediaPlayer.Close();
        //    mediaPlayer.AutoLoad = false;
        //    mediaPlayer.Source = src;
        //}

        private void mediaPlayer_MediaLoading(object sender, PlayerFramework.MediaPlayerDeferrableEventArgs e)
        {
            ((MediaLoadingEventArgs)e).Source = new Uri(Preferences.Current.PreviewUrl);
        }

        /// <summary>
        /// Populates the page with content passed during navigation. Any saved state is also
        /// provided when recreating a page from a prior session.
        /// </summary>
        /// <param name="sender">
        /// The source of the event; typically <see cref="NavigationHelper"/>
        /// </param>
        /// <param name="e">Event data that provides both the navigation parameter passed to
        /// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
        /// a dictionary of state preserved by this page during an earlier
        /// session. The state will be null the first time a page is visited.</param>
        private void navigationHelper_LoadState(object sender, LoadStateEventArgs e)
        {
        }

        /// <summary>
        /// Preserves state associated with this page in case the application is suspended or the
        /// page is discarded from the navigation cache.  Values must conform to the serialization
        /// requirements of <see cref="SuspensionManager.SessionState"/>.
        /// </summary>
        /// <param name="sender">The source of the event; typically <see cref="NavigationHelper"/></param>
        /// <param name="e">Event data that provides an empty dictionary to be populated with
        /// serializable state.</param>
        private void navigationHelper_SaveState(object sender, SaveStateEventArgs e)
        {
        }

        #region NavigationHelper registration

        /// The methods provided in this section are simply used to allow
        /// NavigationHelper to respond to the page's navigation methods.
        /// 
        /// Page specific logic should be placed in event handlers for the  
        /// <see cref="GridCS.Common.NavigationHelper.LoadState"/>
        /// and <see cref="GridCS.Common.NavigationHelper.SaveState"/>.
        /// The navigation parameter is available in the LoadState method 
        /// in addition to page state preserved during an earlier session.

        protected override void OnNavigatedTo(NavigationEventArgs e)
        {
            navigationHelper.OnNavigatedTo(e);
        }

        protected override void OnNavigatedFrom(NavigationEventArgs e)
        {
            navigationHelper.OnNavigatedFrom(e);
        }

        #endregion
    }
}
